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Elpida releases 32-bit GDDR2 SDRAM chips

Elpida Memory released 128Mbit (4M x 32 bit) DDR2 SDRAM chips for desktop and mobile graphics cards. Supporting so-called "GDDR2-M technology", developed by Elpida and ATI Technologies, they feature lower-power On-Die Termination (ODT) and also support Data Inversion Technology reducing pickups along with energy consumption.

New Elpida’s 128Mbit DDR2 SDRAM are organized as 1M x 32 bit x 4 banks and are produced in three modifications: DC0122A-35, DC0122A-40 and DC0122A-45 with respective 350, 400 and 450 MHz clock speeds. Made using 0.13µm process technology, chips require low VDDQ = 1.8V, VDD = 2.5V and consume up to 1.7W (350MHz and 400MHz versions.) Other specs include BL (burst length) = 4, fixed CAS latency (CL) = 6. They also have 4096 refresh cycles: 7.8 ms (4096 rows/32 ms).

Chips are packed into standard 144-pin FBGA casings. Samples are already available, volume shipments expected in Q2 2003.

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